TP4054

TP4054 - High-Performance Lithium Ion Battery Charger IC

The TP4054 is a complete constant-current/constant-voltage linear charger designed for single-cell lithium-ion batteries. Manufactured by UMW, this advanced battery management IC delivers reliable charging performance with programmable current, timer, and voltage features, making it ideal for portable electronics, power banks, and battery-powered applications.

Key Features & Benefits

• Single-Cell Li-Ion Charging: Optimized for 4.2V lithium-ion battery packs with precision voltage regulation
• Programmable Charging Current: Up to 500mA maximum charge current with external resistor programming
• USB Interface: Direct USB power input support for convenient charging solutions
• Wide Operating Temperature: Industrial-grade performance from -40°C to 85°C
• Compact SMD Package: Space-saving SOT-23-5L (SC-74A, SOT-753) surface mount design
• Flexible Programming: Adjustable current, timer, and voltage settings for custom applications
• Wide Input Voltage: Operates with supply voltages up to 6.5V
• RoHS Compliant: Environmentally friendly, lead-free manufacturing

Applications

The TP4054 is perfect for:

• Portable consumer electronics
• USB-powered battery chargers
• Power bank circuits
• Wireless headphones and earbuds
• Handheld devices and instruments
• IoT and wearable devices

Why Choose HQICKEY?

At HQICKEY, we provide authentic electronic components with fast shipping and reliable customer service. Our TP4054 ICs are sourced directly from authorized distributors, ensuring genuine quality and performance for your projects.

Related Products & Resources

Explore our complete range of battery chargers and power management solutions for all your electronic design needs. Visit our homepage to discover thousands of quality components, or check out our technical blog for application notes, design tips, and industry insights.

• TP4054.pdf